Test Description
WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
The number(s) below refer to the step number(s) on the diagnostic table.
2. Tests for battery positive voltage at the relay coil. The ELC fuse supplies power to the relay coil of the compressor relay.
3. Verifies that the height sensor is providing ground to the compressor relay.
4. Tests if battery positive voltage is constantly being applied to the compressor relay control circuit or the circuit is open.
9. Verifies that the sensor is self tested after replacement.